通过数值计算，讨论了原子的初始相干性及原子间偶极相互作用对该偶极压缩效应的影响。
The influences of the initial atomic coherence and dipole-dipole interaction on the squeezing effect were discussed by numerical calculations.
研究结果表明：原子间偶极-偶极相互作用的增强，引起场熵减少。
The result indicates that the increase of the coupling leads to the decrease of the field entropy.
原子之间的偶极-偶极相互作用的增加，光场的压缩效应，逐渐变弱，挤压时间逐渐减小。
With the increase of the dipole-dipole interaction between atoms, the squeezing effect of light field gradually becomes weak and the squeezing time gradually decreases.
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